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JavaScript獲取客戶端計(jì)算機(jī)硬件及系統(tǒng)等信息的方法

 更新時(shí)間：2014年01月02日 16:56:46   作者：  
本文為大家詳細(xì)介紹下如何使用JavaScript獲取客戶端計(jì)算機(jī)硬件及系統(tǒng)等信息，下面有個(gè)不錯(cuò)的示例，感興趣的朋友可以參考下

JavaScript 獲取客戶端計(jì)算機(jī)硬件及系統(tǒng)信息
通過(guò)WMI來(lái)實(shí)現(xiàn)獲取客戶端計(jì)算機(jī)硬件及系統(tǒng)信息:

復(fù)制代碼 代碼如下:

function getSysInfo(){
var locator = new ActiveXObject ("WbemScripting.SWbemLocator");
var service = locator.ConnectServer(".");
//CPU信息
var cpu = new Enumerator (service.ExecQuery("SELECT * FROM Win32_Processor")).item();
var cpuType=cpu.Name,hostName=cpu.SystemName;
//內(nèi)存信息
var memory = new Enumerator (service.ExecQuery("SELECT * FROM Win32_PhysicalMemory"));
for (var mem=[],i=0;!memory.atEnd();memory.moveNext()) mem[i++]={cap:memory.item().Capacity/1024/1024,speed:memory.item().Speed}
//系統(tǒng)信息
var system=new Enumerator (service.ExecQuery("SELECT * FROM Win32_ComputerSystem")).item();
var physicMenCap=Math.ceil(system.TotalPhysicalMemory/1024/1024),curUser=system.UserName,cpuCount=system.NumberOfProcessors

return {cpuType:cpuType,cpuCount:cpuCount,hostName:hostName,curUser:curUser,memCap:physicMenCap,mem:mem}
}

代碼實(shí)現(xiàn)主要包括這幾部分：

先通過(guò)new ActiveXObject ("WbemScripting.SWbemLocator"); 訪問(wèn)到WbemScripting對(duì)象。
通過(guò)locator.ConnectServer(".");連接我們本地電腦（.代表本地電腦，當(dāng)然
也可以訪問(wèn)其他計(jì)算機(jī)）。
通過(guò)service.ExecQuery("SELECT * FROM Win32_Processor")這個(gè)類(lèi)似sql的語(yǔ)句（其實(shí)系統(tǒng)信息也是存儲(chǔ)在計(jì)算中一個(gè)類(lèi)似數(shù)據(jù)庫(kù)的文件中）獲取我們需要的對(duì)象的記錄集。
通過(guò)new Enumerator來(lái)創(chuàng)建一個(gè)可枚舉的對(duì)象，下面就可以遍歷取信息了。

注意：運(yùn)行的前提是要修改瀏覽器安全設(shè)置，“允許對(duì)未標(biāo)記為可安全執(zhí)行的ActiveX
腳本的運(yùn)行”。
這里主要取了CPU、內(nèi)存及系統(tǒng)用戶幾個(gè)信息，大家利用WMI的API或者借助JSEDIT獲取
到更多的信息。下面列出了常用信息的類(lèi)：

Win32_Processor // CPU 處理器

Win32_PhysicalMemory // 物理內(nèi)存

Win32_Keyboard // 鍵盤(pán)

Win32_PointingDevice // 點(diǎn)輸入設(shè)備，如鼠標(biāo)

Win32_DiskDrive // 硬盤(pán)驅(qū)動(dòng)器

Win32_CDROMDrive // 光盤(pán)驅(qū)動(dòng)器

Win32_BaseBoard // 主板

Win32_BIOS // BIOS 芯片

Win32_ParallelPort // 并口

Win32_SerialPort // 串口

Win32_SoundDevice // 多媒體設(shè)置

Win32_USBController // USB 控制器

Win32_NetworkAdapter // 網(wǎng)絡(luò)適配器

Win32_NetworkAdapterConfiguration // 網(wǎng)絡(luò)適配器設(shè)置

Win32_Printer // 打印機(jī)

Win32_PrinterConfiguration // 打印機(jī)設(shè)置

Win32_PrintJob // 打印機(jī)任務(wù)

Win32_TCPIPPrinterPort // 打印機(jī)端口

Win32_POTSModem // MODEM

Win32_POTSModemToSerialPort // MODEM 端口

Win32_DesktopMonitor // 顯示器

Win32_VideoController // 顯卡細(xì)節(jié)。

Win32_VideoSettings // 顯卡支持的顯示模式。

Win32_TimeZone // 時(shí)區(qū)

Win32_SystemDriver // 驅(qū)動(dòng)程序

Win32_DiskPartition // 磁盤(pán)分區(qū)

Win32_LogicalDisk // 邏輯磁盤(pán)

Win32_LogicalMemoryConfiguration // 邏輯內(nèi)存配置

Win32_PageFile // 系統(tǒng)頁(yè)文件信息

Win32_PageFileSetting // 頁(yè)文件設(shè)置

Win32_BootConfiguration // 系統(tǒng)啟動(dòng)配置

Win32_OperatingSystem // 操作系統(tǒng)信息

Win32_StartupCommand // 系統(tǒng)自動(dòng)啟動(dòng)程序

Win32_Service // 系統(tǒng)安裝的服務(wù)

Win32_Group // 系統(tǒng)管理組

Win32_GroupUser // 系統(tǒng)組帳號(hào)

Win32_UserAccount // 用戶帳號(hào)

Win32_Process // 系統(tǒng)進(jìn)程

Win32_Thread // 系統(tǒng)線程

Win32_Share // 共享

Win32_NetworkClient // 已安裝的網(wǎng)絡(luò)客戶端

Win32_NetworkProtocol // 已安裝的網(wǎng)絡(luò)協(xié)議

WMI Win32類(lèi)的完整信息及詳細(xì)列表請(qǐng)參考MSDN:
http://msdn2.microsoft.com/en-us/library/aa394084(VS.85).aspx
示例：
復(fù)制代碼 代碼如下:

function button1_onclick() {//cpu 信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator");
var service = locator.ConnectServer(".");
var properties = service.ExecQuery("SELECT * FROM Win32_Processor");
var e = new Enumerator (properties);
document.write("<table border=1>");
for (;!e.atEnd();e.moveNext ())
{
var p = e.item ();
document.write("<tr>");
document.write("<td>" + p.Caption + "</td>");
document.write("<td>" + p.DeviceID + "</td>");
document.write("<td>" + p.Name + "</td>");
document.write("<td>" + p.CpuStatus + "</td>");
document.write("<td>" + p.Availability + "</td>");
document.write("<td>" + p.Level + "</td>");
document.write("<td>" + p.ProcessorID + "</td>");
document.write("<td>" + p.SystemName + "</td>");
document.write("<td>" + p.ProcessorType + "</td>");
document.write("</tr>");
}
document.write("</table>");
}

function Button2_onclick() {//CD-ROM 信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator");
var service = locator.ConnectServer(".");
var properties = service.ExecQuery("SELECT * FROM Win32_CDROMDrive");
var e = new Enumerator (properties);
document.write("<table border=1>");
for (;!e.atEnd();e.moveNext ())
{
var p = e.item ();
document.write("<tr>");
document.write("<td>" + p.Caption + "</td>");
document.write("<td>" + p.Description + "</td>");
document.write("<td>" + p.Drive + "</td>");
document.write("<td>" + p.Status + "</td>");
document.write("<td>" + p.MediaLoaded + "</td>");
document.write("</tr>");
}
document.write("</table>");
}

function Button3_onclick() {//鍵盤(pán)信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator");
var service = locator.ConnectServer(".");
var properties = service.ExecQuery("SELECT * FROM Win32_Keyboard");
var e = new Enumerator (properties);
document.write("<table border=1>");
for (;!e.atEnd();e.moveNext ())
{
var p = e.item ();
document.write("<tr>");
document.write("<td>" + p.Description + "</td>");
document.write("<td>" + p.Name + "</td>");
document.write("<td>" + p.Status + "</td>");
document.write("</tr>");
}
document.write("</table>");
}

function Button4_onclick() {//主板信息
var locator = new ActiveXObject ("WbemScripting.SWbemLocator");
var service = locator.ConnectServer(".");
var properties = service.ExecQuery("SELECT * FROM Win32_BaseBoard");
var e = new Enumerator (properties);
document.write("<table border=1>");
for (;!e.atEnd();e.moveNext ())
{
var p = e.item ();
document.write("<tr>");
document.write("<td>" + p.HostingBoard + "</td>");
document.write("<td>" + p.Manufacturer + "</td>");
document.write("<td>" + p.PoweredOn + "</td>");
document.write("<td>" + p.Product + "</td>");
document.write("<td>" + p.SerialNumber + "</td>");
document.write("<td>" + p.Version + "</td>");
document.write("</tr>");
}
document.write("</table>");
}


另外，通過(guò)以下方式也可以獲得系統(tǒng)的相關(guān)信息：
復(fù)制代碼 代碼如下:

<HTML><HEAD><TITLE>WMI Scripting HTML</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<SCRIPT language=JScript event="OnCompleted(hResult,pErrorObject, pAsyncContext)" for=foo>
document.forms[0].txtMACAddr.value=unescape(MACAddr);
document.forms[0].txtIPAddr.value=unescape(IPAddr);
document.forms[0].txtDNSName.value=unescape(sDNSName);
//document.formbar.submit();
</SCRIPT>

<SCRIPT language=JScript event=OnObjectReady(objObject,objAsyncContext) for=foo>
if(objObject.IPEnabled != null && objObject.IPEnabled != "undefined" && objObject.IPEnabled == true)
{
if(objObject.MACAddress != null && objObject.MACAddress != "undefined")
MACAddr = objObject.MACAddress;
if(objObject.IPEnabled && objObject.IPAddress(0) != null && objObject.IPAddress(0) != "undefined")
IPAddr = objObject.IPAddress(0);
if(objObject.DNSHostName != null && objObject.DNSHostName != "undefined")
sDNSName = objObject.DNSHostName;
}
</SCRIPT>

<META content="MSHTML 6.00.2800.1106" name=GENERATOR></HEAD>
<BODY>
<OBJECT id=locator classid=CLSID:76A64158-CB41-11D1-8B02-00600806D9B6 VIEWASTEXT></OBJECT>
<OBJECT id=foo classid=CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223></OBJECT>
<SCRIPT language=JScript>
var service = locator.ConnectServer();
var MACAddr ;
var IPAddr ;
var DomainAddr;
var sDNSName;
service.Security_.ImpersonationLevel=3;
service.InstancesOfAsync(foo, 'Win32_NetworkAdapterConfiguration');
</SCRIPT>

<FORM id="formfoo" name="formbar" action="index.do" method="post"><INPUT value="00-11-11-B4-52-EF" name="txtMACAddr"> <INPUT value="210.42.38.50" name="txtIPAddr"> <INPUT value="zhupan" name="txtDNSName"> </FORM></BODY></HTML>

復(fù)制代碼 代碼如下:

其實(shí)最關(guān)鍵的還是用到兩個(gè)ActiveX：
<OBJECT id=locator classid=CLSID:76A64158-CB41-11D1-8B02-00600806D9B6 VIEWASTEXT></OBJECT>
<OBJECT id=foo classid=CLSID:75718C9A-F029-11d1-A1AC-00C04FB6C223></OBJECT>
不過(guò)這兩個(gè)ActiveX都是系統(tǒng)自帶，不用去下載或注冊(cè)。
接下來(lái)的工作就是用腳本和ActiveX交互

<HTML>
<head>
<script language="javascript" type="text/javascript">
function getCode(){
var locator = new ActiveXObject("WbemScripting.SWbemLocator");
var service = locator.ConnectServer(".");
var properties = service.ExecQuery("SELECT * FROM Win32_NetworkAdapterConfiguration WHERE IPEnabled=TRUE");
var e = new Enumerator(properties);
document.write("<table border=1>");
for (; !e.atEnd(); e.moveNext()) {
var p = e.item();
//if(p.IPAddress(0)!=null && p.IPAddress(0)!="undefined" && p.IPAddress(0)!="0.0.0.0" && p.IPAddress(0)!="127.0.0.1"){
document.write("<tr>");
document.write("<td>" + p.ServiceName + "</td>");
document.write("<td>" + p.MACAddress + "</td>");
document.write("<td>" + p.IPAddress(0) + "</td>");
document.write("</tr>");
//break;
//}
}
document.write("</table>");
}
</script>
</head>
<BODY>
<button id="TEST" value="test" onclick="getCode()">TEST</button>
</BODY>
</HTML>

class Win32_NetworkAdapterConfiguration : CIM_Setting
{
boolean ArpAlwaysSourceRoute;
boolean ArpUseEtherSNAP;
string Caption;
string DatabasePath;
boolean DeadGWDetectEnabled;
string DefaultIPGateway[];
uint8 DefaultTOS;
uint8 DefaultTTL;
string Description;
boolean DHCPEnabled;
datetime DHCPLeaseExpires;
datetime DHCPLeaseObtained;
string DHCPServer;
string DNSDomain;
string DNSDomainSuffixSearchOrder[];
boolean DNSEnabledForWINSResolution;
string DNSHostName;
string DNSServerSearchOrder[];
boolean DomainDNSRegistrationEnabled;
uint32 ForwardBufferMemory;
boolean FullDNSRegistrationEnabled;
uint16 GatewayCostMetric[];
uint8 IGMPLevel;
uint32 Index;
uint32 InterfaceIndex;
string IPAddress[];
uint32 IPConnectionMetric;
boolean IPEnabled;
boolean IPFilterSecurityEnabled;
boolean IPPortSecurityEnabled;
string IPSecPermitIPProtocols[];
string IPSecPermitTCPPorts[];
string IPSecPermitUDPPorts[];
string IPSubnet[];
boolean IPUseZeroBroadcast;
string IPXAddress;
boolean IPXEnabled;
uint32 IPXFrameType[];
uint32 IPXMediaType;
string IPXNetworkNumber[];
string IPXVirtualNetNumber;
uint32 KeepAliveInterval;
uint32 KeepAliveTime;
string MACAddress;
uint32 MTU;
uint32 NumForwardPackets;
boolean PMTUBHDetectEnabled;
boolean PMTUDiscoveryEnabled;
string ServiceName;
string SettingID;
uint32 TcpipNetbiosOptions;
uint32 TcpMaxConnectRetransmissions;
uint32 TcpMaxDataRetransmissions;
uint32 TcpNumConnections;
boolean TcpUseRFC1122UrgentPointer;
uint16 TcpWindowSize;
boolean WINSEnableLMHostsLookup;
string WINSHostLookupFile;
string WINSPrimaryServer;
string WINSScopeID;
string WINSSecondaryServer;
};

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